Determine the execution sequence of multiple filters in JSP

Source: Internet
Author: User

There are two matching methods for filters in JSP, and there must be one matching method for the write filter. One is in the form of <URL-pattern>, the other is in the form of <servlet-Name>, the second is to specify the servlet to be filtered, that is, exact matching, and the first is fuzzy matching. When there are multiple filters, we must follow the following two principles for filter matching.

1. First, if there is a URL, match first. When multiple URLs are matched, execute the filter in the order of DD (deploy description file.

2. Check whether the servlet-name format is available after URL matching. If yes, perform matching again.

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